Metal amine complex containing fluoropolymer compositions
Assignee3M Innovative Properties Company
InventorWerner M.A. Grootaert
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Abstract
A composition that includes: (a) a fluoropolymer comprising interpolymerized units derived from a cure site monomer comprising a nitrile group; and (b) a catalyst composition comprising a divalent metal amine complex compound having the formula: 1 where M is a divalent metal, X is an anionic group, and n is 2 to 6, as well as a method for curing this composition and cured articles prepared from this composition.
Claims31
A composition comprising:
- (a) a fluoropolymer comprising interpolymerized units derived from a cure site monomer comprising a nitrile group;
- and
- (b) a catalyst composition comprising a divalent metal amine complex compound having the formula:
- 4
- where M is a divalent metal, X is an anionic group, and n is 2 to 6.
A composition comprising:
- (a) a fluoroelastomer gum comprising interpolymerized units derived from (i) a perfluorovinyl ether;
- (ii) a cure site monomer comprising a nitrile group;
- and (iii) a monomer selected from the group consisting of perfluoroolefins, olefins, vinylidene fluoride, and combinations thereof;
- (b) a catalyst composition comprising a divalent metal amine complex compound having the formula:
- 5
- wherein M is a divalent metal, X is an anionic group, and n is 3 or 5;
- (c) optionally an onium salt, and;
- (d) optionally an alcohol.
A method of curing a composition comprising curing a fluoropolymer comprising interpolymerized units derived from a cure site monomer comprising a nitrile group in the presence of a catalyst composition comprising a compound having the formula:
- 6
- where M is a divalent metal, X is an anionic group, and n is 2 to 6.
Dependencies are inferred from the claim text.